10 Best HVAC Companies in Coram, NY

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Last Updated: February 25, 2025

If you're like most Americans, more than half of your energy bill (55%, according to the U.S. Department of Energy) goes toward heating and cooling. You want to be comfortable in your Coram home, but you also don't want to be wasting your money on inefficient heating and cooling.

We've compiled this guide to the top HVAC companies in Coram to help you choose the right person for your job and get your system into its best shape ever.

Top 10 Best HVAC Companies in Coram

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Air Specialties Air Conditioning & Heating Inc

Air Specialties Air Conditioning & Heating Inc Logo

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25 Spring St, West Haven, CT 06516 (203) 533-4012 airspecialtiesac.com

Free quotes

Clear pricing policy

Prompt service delivery

Informative resources

Reliable customer support

Services Offered

Ac repair
Indoor air quality
Ductless
Boiler installation
Ac installation
Emergency services
Maintenance
Furnace installation
Ventilation
Boiler repair
Furnace repair
Filtration
Inspection

M&R Mechanical Services

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1050 Bridgeport Ave F3, Milford, CT 06460 (203) 951-5207 mandrmechanical.com

Clear pricing policy

Informative resources

Free quotes

Reliable customer support

Services Offered

Maintenance
Furnace installation
Ac installation
Duct cleaning
Ventilation
Indoor air quality
Filtration
Boiler installation
Boiler repair
Furnace repair
Ac repair
Emergency services
Ductless

Aire Serv of Shelton

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41 Clifton Ave, Ansonia, CT 06401 (203) 717-9527 aireserv.com

Reliable customer support

Prompt service delivery

Free quotes

Clear pricing policy

Informative resources

Services Offered

Ac repair
Furnace installation
Inspection
Maintenance
Emergency services
Indoor air quality
Boiler installation
Ac installation
Boiler repair
Furnace repair
Filtration
Duct cleaning

Onofreo Home Comfort Systems LLC

Onofreo Home Comfort Systems LLC Logo

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280 Quarry Rd, Milford, CT 06460 (203) 793-6811 onofreohomecomfort.com

Free quotes

Clear pricing policy

Prompt service delivery

Reliable customer support

Services Offered

Boiler installation
Ductless
Furnace installation
Ventilation
Ac repair
Ac installation
Indoor air quality
Filtration
Emergency services
Maintenance
Inspection

Danisi Energy

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3205 NY-112, Medford, NY 11763 (631) 732-6666 danisienergy.com

Clear pricing policy

Informative resources

Free quotes

Reliable customer support

Services Offered

Radiant heating
Filtration
Ventilation
Maintenance
Boiler installation
Inspection
Ac installation
Emergency services
Ductless
Indoor air quality
Ac repair
Furnace installation

Sears Heating and Air Conditioning

Sears Heating and Air Conditioning Logo

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User Rating

35 Melville Park Rd Ste 200, Melville, NY 11747 (631) 270-5310 searshomeservices.com

Reliable customer support

Free quotes

Services Offered

Ac installation
Indoor air quality
Maintenance
Ventilation
Filtration
Ac repair
Furnace installation
Ductless
Boiler installation
Inspection

Absolute HVAC Mechanical Systems Inc.

Absolute HVAC Mechanical Systems Inc. Logo

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User Rating

Granny Rd, Farmingville, NY 11738 (631) 320-0814 absolutehvacli.com

Informative resources

Free quotes

Reliable customer support

Clear pricing policy

Prompt service delivery

Services Offered

Indoor air quality
Inspection
Boiler installation
Furnace installation
Ac installation
Ductless
Ventilation
Maintenance
Ac repair
Emergency services

Grant Heating & Cooling

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48 E Hampton Sag Harbor Turnpike, East Hampton, NY 11937 (631) 324-0679 granthvac.com

Prompt service delivery

Services Offered

Boiler repair
Ductless
Radiant heating
Boiler installation
Indoor air quality
Ac installation
Filtration
Furnace installation
Emergency services
Ac repair
Maintenance
Ventilation
Duct cleaning
Zoning systems
Furnace repair

GMG HVAC Inc.

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77 Windsor Pl Suite 11, Central Islip, NY 11722 (631) 309-2535 gmghvac.com

Clear pricing policy

Free quotes

Reliable customer support

Informative resources

Services Offered

Ventilation
Indoor air quality
Furnace installation
Duct cleaning
Filtration
Furnace repair
Maintenance
Ac installation
Ac repair
Emergency services

ALL Seasons Air Conditioning

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Our Rating

User Rating

40 Field St, West Babylon, NY 11704 (631) 694-1616 seasonsair.com

Free quotes

Reliable customer support

Clear pricing policy

Informative resources

Services Offered

Ac repair
Furnace installation
Ventilation
Inspection
Ac installation
Emergency services
Filtration
Indoor air quality
Maintenance
Ductless
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on hvac companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

Signs You May Need HVAC Repair or Replacement

A faulty or aging HVAC system probably needs attention from a professional who can make repairs or install a new unit. Look out for these common signs that your HVAC needs service:

  • Rust, cracking, or corrosion
  • Odd noises when the system turns on
  • Frequent breakdowns and need for repairs
  • Unusually high energy bills
  • Temperature control issues or thermostat malfunctions
  • Poor air circulation or uneven heating/cooling
  • Refrigerant leaks
  • An HVAC system that's over 15 years old

Arrange an inspection if you notice any of these issues. A local technician can assess your system, detect problems, and figure out whether you need repairs or a new HVAC unit.

Cost of HVAC Installation and Maintenance in Coram

The price of HVAC installation or maintenance changes depending on the type of unit you have. Common kinds of HVAC units include the following:

  • Split or mini-split: Homes without ductwork for centralized climate control often have split or mini-split HVAC systems. These systems consist of interior units in each room to regulate temperature. These indoor units connect to an outdoor unit.
  • Hybrid split: A hybrid split HVAC unit operates similarly to a regular split system. It gives flexibility by having the option to use either electricity or gas for energy.
  • Heat pump: Heat pumps exchange warm and cool air between your home and the outdoors. They don't make their own heating and cooling, so they work more effectively in more moderate climates.
  • Packaged heating and air: Packaged HVAC systems are a practical choice for smaller homes. These systems have a single heating and cooling unit, normally located in an attic or basement. They're small, cost-effective, and easy to maintain.

HVAC maintenance costs vary based on the specific services needed. HVAC systems can be complex and potentially require a number of services. Costs for typical jobs are as follows:

HVAC Unit TypeCost
Split$1,948-$4,966
Hybrid Split$3,947-$7,272
Heat Pump$3,056-$31,141
Packaged Heating and Air$256-$426

Ways to Save Money on HVAC Costs

Essential HVAC maintenance is important, but can be expensive. Luckily, homeowners can take steps to reduce wear and tear on their HVAC and lower future maintenance needs.

  • Change filters regularly. Replacing your air filters or washing them every 30–90 days allows effective air circulation through your system. You should also try to keep debris from accumulating on the outside components of your HVAC.
  • Change the position of your blinds seasonally. Keeping your blinds closed in the summer helps block out passive solar heat. Keeping them open in the winter helps you take advantage of this same heat. Both of these measures help reduce the amount of work your HVAC system needs to do.
  • Monitor for potential problems. Monitor your system for issues, for example by routinely checking your thermostat and energy bills. This helps you address problems before they get too expensive.
  • Keep your system clean. Keeping your ductwork, grills, condenser fan blades, and indoor evaporator coil clean enables your HVAC system to function effectively and lowers your risk of mold. The National Air Duct Cleaners Association suggests cleaning your home's HVAC system when you notice things starting to get dirty.
ServiceCost
Filter Replacement$64-$170
Condensor Cleaning$1,279-$3,836
Thermostat Repair$85-$213
Ductwork Cleaning$409-$1,023

How To Choose a Local HVAC Company

It's important to know what makes a good HVAC company. A properly licensed contractor with the right experience will give you confidence that they can maintain your HVAC system properly, providing you with effective air conditioning and heating for your home.

Compare Multiple Bids

Contact at least three HVAC companies for quotes. Explain your issues and schedule an in-person inspection if possible. Compare companies' diagnoses, suggested repairs, estimated costs, timeframes, and warranties. Avoid companies that pressure you or demand upfront payment.

Check Credentials

It's important to choose an HVAC company that employs technicians with the proper qualifications and expertise. HVAC contractors in all states have federal requirements from the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, an individual must pass an exam (the type of exam depends on what kind of equipment they plan to work with). Section 608 certification is required for all technicians who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." All other licensing requirements are handled at the state level.

The state of New York doesn't have state-level HVAC licensing. However, there may be local requirements, so be sure to check with your city or municipal government. For example, in some cases, a technician may need an Oil Burning Equipment Installer or High Pressure Boiler Operating Engineer license from the NYC Department of Buildings, or a Certificate of Qualification for Refrigerating System Operating Engineer from the Fire Department of New York. Checking reviews on the Better Business Bureau (BBB), Yelp, Google Reviews, and similar sites can assist your decision as well. Choose a provider with great reviews and stories of positive customer experiences.

Understand Work Details

It’s important to understand what the work process is going to look like. For HVAC repairs, the company should list the exact parts that need replacement and why. Confirm that your technician will clean and test the full system afterward to guarantee everything is working correctly. When replacing your HVAC, have the contractor explain the new features, energy efficiency, brand, model, and estimated installation time. Before signing paperwork, be sure you understand the process your provider will use to size the new HVAC system appropriately for your home and what the price will be.

Compare Warranties

Reliable HVAC companies provide warranties for their work. The broader the coverage, the better, so make sure to review warranties between providers. Choose the one that offers the best coverage at a fair cost.

Get Quote in Writing

Get written bids before starting any HVAC work. The quote should include costs for both labor and materials. Review all terms carefully before signing.

Frequently Asked Questions About HVAC in Coram, NY

Generally, your HVAC system should be inspected twice a year. After an inspection, your technician will tell you what, if any, services are required. You should also have an inspection if you start to notice any issues, such as leaks, unusual smells, or strange noises. If your home has ductwork, it should be serviced every few years.

The best times to have an HVAC inspection are the spring and fall. Technicians tend to be less busy during these times, making it easier to get an appointment. This also helps get your system ready for the summer and winter, which is when it normally gets the most use.

You can save energy throughout the year by reducing the amount of work it takes for your HVAC system to maintain your home's temperature. Always keep your thermostat as close to the outside temperature as is comfortable, and try to adjust it only a few degrees at a time. You may also consider getting a smart thermostat.

Generally, HVAC installation or replacement takes between one and three days for the entire system. Installing or replacing a furnace or air conditioning unit may take anywhere from a few hours up to two days. The exact amount of time will vary depending on things like how large your home is, how easily accessible different sections are, and whether your technician discovers any problems.

For a 2,000-square-foot home, you need around 2.5 to 5 tons of air conditioning capacity. If your home is larger than 1,000 square feet, central air will usually be more effective than window units for cooling.

For a 2,000-square-foot home, you'll also look for a furnace that is between 50,000 and 80,000 BTUs (British thermal units).

Your HVAC company might offer financing options via a third-party lender, or you might be able to obtain a loan on your own. It's smart to discuss payment options with your HVAC company and a financial advisor to make sure that you find the best option for you.

There are a number of ways you can make your HVAC system more energy-efficient:

  • Keep your air ducts clean and clean or change your air filters on a regular basis.
  • Schedule regular inspections to take care of issues as they arise.
  • Keep your attic well-ventilated and make sure all doors and windows are well-sealed.
  • Install a smart thermostat. If you don't want to or can't buy one, try to keep your inside temperature as close to the outside temperature as you can.
  • When replacing part of your system, explore Energy Star-certified or similar environmentally friendly options.

Other Coram, NY Home Services

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